package com.example.springbootautoconfig.AutoConfig;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.core.env.Environment;
import org.springframework.boot.CommandLineRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;



@EnableConfigurationProperties(CustomProperties.class)
public class Lab2AutoConfig {

    @Bean
    @ConditionalOnProperty(prefix = "fan.auto", name="enable", havingValue = "true")
    CommandLineRunner createCustomCommandLineRunner(Environment env){
        return new CustomCommandLineRunner(env);
    }

    public static class NoticeEvent extends ApplicationEvent{

        private static final Logger logger = LoggerFactory.getLogger(NoticeEvent.class);

        /**
         * 存储信息
         */
        private final String message;

        public NoticeEvent(String message){
            super(message);
            this.message = message;
            logger.info("添加事件成功！ message: {}", message);
        }

        public String getMessage(){
            return message;
        }
    }

    @Component
    public static class NoticeListener implements ApplicationListener<NoticeEvent>{
        private static final Logger logger = LoggerFactory.getLogger(NoticeListener.class);
        @Override
        public void onApplicationEvent(NoticeEvent noticeEvent){
            logger.info("监听器获取到 NoticeEvent，睡眠当前线程两秒...");
            try{
                Thread.sleep(2000);
            }catch (InterruptedException e){
                e.printStackTrace();
            }
            logger.info("NoticeEvent 的 message 属性是： {}",noticeEvent.getMessage());
        }
    }
}
